Suppose you increase your walking speed from 7 m/s to 15 m/s in a period of 3 s. What is your acceleration?
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Final velocity minus initial velocity divide by time taken(8÷3=2.66ms^-2)
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since u=7m/s
v=15m/s
t = 3 s
a = v-u/t
= 15-7/3
=2.66
v=15m/s
t = 3 s
a = v-u/t
= 15-7/3
=2.66
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